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Optimal Flip Angle for Quantitative NMR Using External Standards

Gao, Jinhai, Tsao, Jeffrey, Wang, Bing and Rajan, Srinivasan (2017) Optimal Flip Angle for Quantitative NMR Using External Standards. Analytical chemistry. ISSN 1520-6882; 0003-2700


A novel quantitative NMR method, FIXPUL, is developed based on the use of optimal flip angle of 116° calibrated for the external standard without subsequent pulse width calibration for every sample. The optimal flip angle is derived from theoretical analysis of signal intensity as a function of 90° pulse width and actual flip angle when a fixed pulse length is applied. FIXPUL method can be applied on most basic NMR spectrometers, and is robust and easily automated for improved through-put. The method can be applied to a wide range of NMR sample conditions and may also find potential applications in quantitative MR Imaging and in vivo MR Spectroscopy for small animals.

Item Type: Article
Date Deposited: 25 Apr 2017 00:45
Last Modified: 25 Apr 2017 00:45


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